Home / 1,263,425.12-1,743,526.86-719,611.55

Finding the Fourth Proportional to 1,263,425.12, 1,743,526.86 and 719,611.55

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Solution

The fourth proportional to 1,263,425.12, 1,743,526.86 and 719,611.55 is: 993,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,425.12 : 1,743,526.86 = 719,611.55 : x
  2. Step 2: Convert to fraction form
    1,263,425.12/1,743,526.86 = 719,611.55/x
  3. Step 3: Cross multiply
    1,263,425.12x = 1,743,526.86 × 719,611.55
  4. Step 4: Simplify right side
    1,263,425.12x = 1,254,662,057,473.60
  5. Step 5: Solve for x
    x = 1,254,662,057,473.60/1,263,425.12
  6. Step 6: Final answer
    x = 993,064.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.